<form method="POST" action="__URL__/update">
标题:<input type="text" name="title" value="{$vo.title}"/><br/>
内容:<textarea name="content" rows="5" cols="45">{$vo.content}</textarea>
<input type="hidden" name="id" value="{$vo.id}">
<input type="submit" value="提交">

</form>